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La Gomera

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Journal Article

Deformation of the substratum of a large shield volcano: Triggering factor for past flank collapses in the old volcanic edifice of La Gomera, Canary Islands

Carlos Fernández, Ramón Casillas, Julio de la Nuez, Encarnación García-Navarro, Manuel A. Camacho
Journal: GSA Bulletin
Published: 01 March 2015
GSA Bulletin (2015) 127 (3-4): 443–463.
DOI: https://doi.org/10.1130/B30971.1
...Carlos Fernández; Ramón Casillas; Julio de la Nuez; Encarnación García-Navarro; Manuel A. Camacho Abstract The Basal Complex of La Gomera (Canary Islands) has been analyzed with the aim of deciphering its structural evolution, spanning the middle to late Miocene. Detailed structural maps and cross...
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Volcanic and morphological evolution of La Gomera (Canary Islands), based on new K–Ar ages and magnetic stratigraphy: implications for oceanic island evolution

R. Paris, H. Guillou, J.C. Carracedo, F.J.Perez Torrado
Published: 01 May 2005
Journal of the Geological Society (2005) 162 (3): 501–512.
DOI: https://doi.org/10.1144/0016-764904-055
...R. Paris; H. Guillou; J.C. Carracedo; F.J.Perez Torrado Abstract The spatial and chronological evolution of Canary Islands volcanism is due to eastward progression of the slow-moving African plate over a mantle plume. La Gomera is located between the western shield stage islands (<2 Ma...
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Ephemeral carbonate melts in the upper mantle : carbonate-silicate immiscibility in microveins and inclusions within spinel peridotite xenoliths, La Gomera, Canary Islands

Maria-Luce FREZZOTTI, Jacques L.R. TOURET, Else-Ragnhild NEUMANN
Published: 01 September 2002
European Journal of Mineralogy (2002) 14 (5): 891–904.
DOI: https://doi.org/10.1127/0935-1221/2002/0014-0891
...Maria-Luce FREZZOTTI; Jacques L.R. TOURET; Else-Ragnhild NEUMANN Abstract Carbonate droplets containing mafic silicate glass ± CO 2 occur within mineral inclusions and late microveins in spinel-bearing ultramafic xenoliths (dunite, dunite-werhlite and pyroxenite) from La Gomera, Canary Islands...
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Melt and fluid inclusions in dunite xenoliths from La Gomera, Canary Islands; tracking the mantle metasomatic fluids

Maria Luce Frezzotti, Jacques L. R. Touret, Wim J. Lustenhouwer, Else-Ragnhild Neumann
Published: 01 December 1994
European Journal of Mineralogy (1994) 6 (6): 805–817.
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(A) Geological map of the northern part of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span>, modified from Cueto ...

(A) Geological map of the northern part of La Gomera, modified from Cueto ...

Published: 01 March 2015
Figure 1. (A) Geological map of the northern part of La Gomera, modified from Cueto et al. (2004a , 2004b ). The inset shows the location of La Gomera Island in the Canary Archipelago as well as the area covered by the map. The Basal Complex is divided into three main blocks (northern, central
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Simplified map of the Basal Complex of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span> with the three main blocks...

Simplified map of the Basal Complex of La Gomera with the three main blocks...

Published: 01 March 2015
Figure 3. Simplified map of the Basal Complex of La Gomera with the three main blocks separated by the Guillama and Montaña de Alcalá faults. The locations of the sites of dike measurement are indicated with numbers 1–67. The five sites of fault-slip data measurement are marked with letters
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Sketch of the Basal Complex of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span> showing the average values of dike...

Sketch of the Basal Complex of La Gomera showing the average values of dike...

Published: 01 March 2015
Figure 5. Sketch of the Basal Complex of La Gomera showing the average values of dike orientation for each measurement site and dike set. Average orientation corresponds to the plane normal to the eigenvector related to the largest eigenvalue of the orientation tensor obtained from a sample
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Left: Photograph of the northern coast of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span> (Montaña de Alcalá) loo...

Left: Photograph of the northern coast of La Gomera (Montaña de Alcalá) loo...

Published: 01 March 2015
Figure 12. Left: Photograph of the northern coast of La Gomera (Montaña de Alcalá) looking southwestward from the sea. See location in Figure 3 . Right: Schematic interpretation of the area covered by the photograph showing the main surface of the Montaña de Alcalá fault and some accompanying
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Geological map of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span> (modified after IGME map, unpubl.).

Geological map of La Gomera (modified after IGME map, unpubl.).

Published: 01 May 2005
Fig. 1.  Geological map of La Gomera (modified after IGME map, unpubl.).
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K–Ar ages, magnetozones and volcanic stages of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span> (Canary Islands), ...

K–Ar ages, magnetozones and volcanic stages of La Gomera (Canary Islands), ...

Published: 01 May 2005
Fig. 2.  K–Ar ages, magnetozones and volcanic stages of La Gomera (Canary Islands), compared with the geomagnetic polarity time scale (GPTS). Circles indicate K–Ar ages with their precision. • and ▪, normal polarity; ○ and □, reverse polarity. The samples without radiometric age but only
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Three-dimensional view and north–south cross-section of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span> (Canary I...

Three-dimensional view and north–south cross-section of La Gomera (Canary I...

Published: 01 May 2005
Fig. 4.  Three-dimensional view and north–south cross-section of La Gomera (Canary Islands).
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Volcanic and morphological evolution of the northern part of <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span>, aft...

Volcanic and morphological evolution of the northern part of La Gomera, aft...

Published: 01 May 2005
Fig. 6.  Volcanic and morphological evolution of the northern part of La Gomera, after the Garajonay landslide (see discussion in text).
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Spinel peridotites from <span class="search-highlight">La</span> <span class="search-highlight">Gomera</span>; photomicrographs in plane-polarised ligh...

Spinel peridotites from La Gomera; photomicrographs in plane-polarised ligh...

Published: 01 September 2002
Fig. 1. Spinel peridotites from La Gomera; photomicrographs in plane-polarised light. a) Coarse inequigranular spinel dunite-werhlite: olivine porphyroclasts (011) and neoblasts (012); clinopyroxene (cpx) and spinel are interstitial or at triple junctions, (sample G2g-17) length of photograph 7
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(A) Sketches that summarize the tectonic evolution of the Basal Complex of ...

(A) Sketches that summarize the tectonic evolution of the Basal Complex of ...

Published: 01 March 2015
Figure 15. (A) Sketches that summarize the tectonic evolution of the Basal Complex of La Gomera during the main episodes of building and partial destruction of the Lower Old Edifice (subaerial volcanic edifice). The present-day coastal outline of La Gomera Island is shown for reference
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Review of the K–Ar ages obtained on basaltic to trachytic lava flows of <span class="search-highlight">La</span> ...

Review of the K–Ar ages obtained on basaltic to trachytic lava flows of La ...

Published: 01 May 2005
Fig. 3.  Review of the K–Ar ages obtained on basaltic to trachytic lava flows of La Gomera (Canary Islands).
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Results of electron-microprobe analyses of primary mineral phases of select...

Results of electron-microprobe analyses of primary mineral phases of select...

Published: 01 September 2002
Table 1. Results of electron-microprobe analyses of primary mineral phases of selected xenoliths from La Gomera (wt. %).
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Results of electron-microprobe analyses of mafic silicate glass in inclusio...

Results of electron-microprobe analyses of mafic silicate glass in inclusio...

Published: 01 September 2002
Table 2. Results of electron-microprobe analyses of mafic silicate glass in inclusions, microveins and cavities of xenoliths from La Gomera (wt. %).
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Cross-section from <span class="search-highlight">La</span> Mérica to Mirador de Arure, west walls of the Barran...

Cross-section from La Mérica to Mirador de Arure, west walls of the Barran...

Published: 01 May 2005
Fig. 5.  Cross-section from La Mérica to Mirador de Arure, west walls of the Barranco de Valle Gran Rey (La Gomera). N, normal polarity; R, reverse polarity.
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Results of electron-microprobe analyses of mineral phases associated with o...

Results of electron-microprobe analyses of mineral phases associated with o...

Published: 01 September 2002
Table 3. Results of electron-microprobe analyses of mineral phases associated with or growing in the microveins and cavities of selected xenoliths from La Gomera (wt. %).
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Results of electron-microprobe analyses of carbonates from mafic glass incl...

Results of electron-microprobe analyses of carbonates from mafic glass incl...

Published: 01 September 2002
Table 4. Results of electron-microprobe analyses of carbonates from mafic glass inclusions, cavities and veins in studied xenoliths from La Gomera (wt. %).